Births on July 23

Walter H. Schottky

Born on July 23, 1886

Walter H. Schottky, Swiss-German physicist and engineer (d. 1976)

Walter Hans Schottky (23 July 1886 – 4 March 1976) was a German physicist who played a major early role in developing the theory of electron and ion emission phenomena, invented the screen-grid vacuum tube in 1915 while working at Siemens, co-invented the ribbon microphone and ribbon loudspeaker along with Dr. Erwin Gerlach in 1924 and later made many significant contributions in the areas of semiconductor devices, technical physics and technology.

References

Walter H. Schottky

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Events on 1886

23 Feb

Julia Brainerd Hall
Charles Martin Hall produced the first samples of man-made aluminum, after several years of intensive work. He was assisted in this project by his older sister, Julia Brainerd Hall.
27 Mar

Apache Wars
Geronimo, Apache warrior, surrenders to the U.S. Army, ending the main phase of the Apache Wars.
29 May

John Pemberton
The pharmacist John Pemberton places his first advertisement for Coca-Cola, which appeared in The Atlanta Journal.
10 Jun

Pink and White Terraces
Mount Tarawera in New Zealand erupts, killing 153 people and burying the famous Pink and White Terraces. Eruptions continue for three months creating a large, 17 km long fissure across the mountain peak.
30 Jun

Port Moody, British Columbia
The first transcontinental train trip across Canada departs from Montreal. It arrives in Port Moody, British Columbia on July 4.

Births on July 23

Walter H. Schottky

Born on July 23, 1886

References

Choose Another Date

Events on 1886

Julia Brainerd Hall

Apache Wars

John Pemberton

Pink and White Terraces

Port Moody, British Columbia